Home / 945,459.80-1,418,202.05-314,373.68

Finding the Fourth Proportional to 945,459.80, 1,418,202.05 and 314,373.68

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Solution

The fourth proportional to 945,459.80, 1,418,202.05 and 314,373.68 is: 471,564.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,459.80 : 1,418,202.05 = 314,373.68 : x
  2. Step 2: Convert to fraction form
    945,459.80/1,418,202.05 = 314,373.68/x
  3. Step 3: Cross multiply
    945,459.80x = 1,418,202.05 × 314,373.68
  4. Step 4: Simplify right side
    945,459.80x = 445,845,388,779.17
  5. Step 5: Solve for x
    x = 445,845,388,779.17/945,459.80
  6. Step 6: Final answer
    x = 471,564.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.